A Focusing Method of Buildings for Airborne Circular SAR

D Feng, D An, J Wang, L Chen, X Huang - Remote Sensing, 2024 - mdpi.com
Airborne circular synthetic aperture radar (CSAR) can realize high-resolution imaging of the
scene over 360 degrees azimuth angle variation. Aiming at the problem of focusing of …

Circular SAR Incoherent 3D Imaging with a NeRF-Inspired Method

H Zhang, Y Lin, F Teng, S Feng, B Yang, W Hong - Remote Sensing, 2023 - mdpi.com
Circular synthetic aperture radar (CSAR) has the potential to form 3D images with single-
pass single-channel radar data, which is very time-efficient. This article proposes a …

Efficient Near-Field Radar Microwave Imaging Based on Joint Constraints of Low-Rank and Structured Sparsity at Low SNR

S Song, Y Dai, Y Song, T Jin - IEEE Transactions on Microwave …, 2024 - ieeexplore.ieee.org
With the continuous development of near-field radar microwave imaging technology, low-
rank or compressed sensing (CS) methods have shown great potential in solving high …

IFNet: Deep Imaging and Focusing for Handheld SAR With Millimeter-Wave Signals

Y Li, D Zhang, R Geng, J Wu, Y Hu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Recent advancements have showcased the potential of handheld millimeter-wave
(mmWave) imaging, which applies synthetic aperture radar (SAR) principles in portable …

A sparse imaging method for frequency agile SAR

K Zhou, D Li, F He, S Quan, Y Su - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Frequency agility increases the difficulty of jammers to predict and estimate the carrier
frequency and, thus, improves the radar electronic counter-countermeasures (ECCM) …

Joint range alignment and autofocus method based on Combined Broyden-Fletcher-Goldfarb-Shanno algorithm and whale optimization algorithm

F Liu, D Huang, X Guo, C Feng - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Correct and robust translational motion compensation is necessary but challenging for
inverse synthetic aperture radar (ISAR) imaging and target recognition. On the one hand …

Optimization of numerical methods for transforming UTM plane coordinates to lambert plane coordinates

K Wang, S Ye, P Gao, X Yao, Z Zhao - Remote Sensing, 2022 - mdpi.com
The rapid transformation from UTM (Universal Transverse Mecator) projection to Lambert
projection helps to realize timely merging, inversion, and analysis of high-frequency …

Very High-Resolution Synthetic Aperture Radar Systems and Imaging: A Review

X Chen, Z Dong, Z Zhang, C Tu, T Yi… - IEEE Journal of Selected …, 2024 - ieeexplore.ieee.org
Given its capacity to generate 2-D fine images of observation areas, very high resolution
(VHR) synthetic aperture radar (SAR) has become increasingly popular in myriad fields …

Omega-KA-Net: A SAR ground moving target imaging network based on trainable Omega-K algorithm and sparse optimization

H Zhang, J Ni, S Xiong, Y Luo, Q Zhang - Remote Sensing, 2022 - mdpi.com
The ground moving target (GMT) is defocused due to unknown motion parameters in
synthetic aperture radar (SAR) imaging. Although the conventional Omega-K algorithm …

Improved SAR interrupted-sampling repeater jamming countermeasure based on waveform agility and mismatched filter design

K Zhou, Y Su, D Wang, H Ma, L Liu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The interrupted-sampling repeater jamming (ISRJ) countermeasure is researched based on
waveform agility and mismatched filter design in this work. By analyzing the effects of …